Apparatus for consuming smoke



(No Model.)

W. GI-IISHOLM.

APPARATUS FOR GONSUMING SMOKE. No. 245,278. Patented Aug. 9,,1881.v

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WITNESSES v INVENTOQ ATTORNEYS UNI ED STATES PATENT OFFICE.

WILLIAM OHISHOLM, OF CLEVELAND, OHIO.

APPARATUS FOR CONSUMING SMOKE.

SPECIFICATION forming part of Letters Patent No. 245,278, dated August 9, 1881.

Application filed April 26, 1881. No model.)

To all whom it may concern:

Be it known that I, WILLIAM OHIsHOLM, of

Cleveland, in the county of Onyahoga and State of Ohio, have invented certain new and useful Improvements in Apparatus for Gonsuming Smoke; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which itpertains to make and use it, reference being bad to the accompanying drawings, which form part of this specification.

My invention relates to an apparatus for the disposition of the unconsnmed combustible elements of smoke arising from burning any kind of coal, condensing the same, and adapting the product to be used as a fuel, and in mechanism for carrying out my process.

In the drawings, Figure 1 is a view, in elevation, of suitable mechanism for carrying out my process. Fig.2 is a plan view of the chamber D.

In the drawings, A represents a boiler set in an arch having its fire-box B beneath it. .With this fire-box is connected a flue, 0, throughwhich all the products of combustion carried in the smoke pass. This pipe 0 is connected directly with a closed chamber, D, of any suitable size or shape. 0 represents a supplemental pipe, which taps the main flue C at C. This pipe 0 is provided with a damper or valve, 0 which may be opened or closed at will. This pipe 0 is connected with any suitable chimney, as E. The object of this supplemental pipe is to permit a ready draft when the fires in the fire-box B are being started.

G isavalve or damper in the pipe 0, between the fire-box B and the room D. This valve or damper may be closed at will,and when closed the damper O is opened, so as to permit the free passage of the smoke from the fire-box to the chimney or stack E, a short or low stack only being necessary. Any suitable fan or exhaust, F, may be placed at any point upon the main conduit 0, between the damper O and room D. The objectof this fan or exhaust is to induce a draft through the pipe (J and force the products of combustion into the chamber D. This chamber D is provided with a perforated ceiling, Gr, through which water may readily pass and drop to the floor in the shape of fine streams or spray, carrying with it the sooty products of combustion. This maybe operated and controlled by any suitable mechanism, but in itself does not constitute any portion of my invention.- Atone side of this chamber D may be placed an opening, D, through which any smoke or gases that are not condensed by the operation of the water may be allowed to pass into the stack or open air. If found necessary to arrest all of the unconsnmed combustible matter in the smoke, there may be interposed between the main portion of the chamber D and this opening a water curtain, consisting of a narrow or thin film of water, through which the smoke must be forced to pass before reaching the flue D or open air. At a in the main flue 0 an opening may be made and a small pipe introduced to permit the escape of the lighter, or, perhaps, explosive, gases. 1 would also provide a return-flue, H, provided with a funnel-shaped month, through which the gases escaping from the pipe 0 may be returned to the fire-box B and there consumed.

Having thus described the mechanism necessaryfor carrying out my process, its operation is as follows: Fires may be started in the firebox B, the valve 0 closed, the valve (J opened. The products of combustion will now pass through the pipe 0 to the junction 0*. From thence through the supplemental pipe 0 into the chimney or stack E. After the fire is sufficiently under headway the damper or "alve (3 may be closed and the valve 0 opened. Now the products of combustion pass directly through the flue O to the chamber D. The water is now turned on. The constant falling spray from the ceiling into the room will condense and convey to the bottom of the room the carbon and other condensible parts which were unconsumed in the furnace. This product may be gathered in the shape and consistency of mortar and dried, or pressed into shape and then dried, as may be preferred. If thought desirable, fine or slack coal may be mixed with it before shaping or drying. It may then be returned to the furnace as fuel. If any of the gases are incapable of being condensed they will pass through the water film, (indicated in Fig. 2) by the line D to the flue D, and from thence to the chimney; or they may be discharged directly into the open air without passing into the chimney at all.

To assist in drawing the smoke from the fire-= box B through the pipe 0 to the chamber D, I would place between the chamber and the damper (3 a covered exhaust or pump, and run it at a sufficient speed to create a vacuum and draw the smoke from the fire-box B into and through thepipe or conduit 0 into the chamber.

The water need not be wasted, as it can be pumped to the boilers or used for any other purposes.

What I claim isl. The combination, with a furnace, of the pipe 0, chamber D, and Water-distributer G, the return-pipe H, and valves 0 O, substantially as set forth.

2. The combination, with a furnace, of the WILLIAM OHISHOLM.

Witnesses:

J NO. CROWELL, J r., ALBERT E. LYNCH. 

